Home / 321,986,247.80-482,979,371.70-231,958,830.20

Finding the Fourth Proportional to 321,986,247.80, 482,979,371.70 and 231,958,830.20

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Solution

The fourth proportional to 321,986,247.80, 482,979,371.70 and 231,958,830.20 is: 347,938,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,986,247.80 : 482,979,371.70 = 231,958,830.20 : x
  2. Step 2: Convert to fraction form
    321,986,247.80/482,979,371.70 = 231,958,830.20/x
  3. Step 3: Cross multiply
    321,986,247.80x = 482,979,371.70 × 231,958,830.20
  4. Step 4: Simplify right side
    321,986,247.80x = 112,031,330,070,262,976
  5. Step 5: Solve for x
    x = 112,031,330,070,262,976/321,986,247.80
  6. Step 6: Final answer
    x = 347,938,245.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.